# Schema for OpenMath CD groups

# info on the CD group itself

CDGroupName = element CDGroupName { text }
CDGroupVersion = element CDGroupVersion { text }
attlist.CDGroupVersion &= empty
CDGroupRevision = element CDGroupRevision { text }
CDGroupURL = element CDGroupURL { text }
CDGroupDescription = element CDGroupDescription { text }
# info on the CDs in the group
CDComment = element CDComment { text }
CDGroupMember =
  element CDGroupMember {
    attlist.CDGroupMember, CDComment?, CDName, CDVersion?, CDURL?
  }
CDName = element CDName { text }
CDVersion = element CDVersion { text }
CDURL = element CDURL { text }
# structure of the group
CDGroup =
  element CDGroup {
    CDGroupName,
    CDGroupVersion,
    CDGroupRevision?,
    CDGroupURL,
    CDGroupDescription,
    (CDGroupMember | CDComment)*
  }
start = CDGroup